Home / 774,153.20-1,161,610.23-347,990.13

Finding the Fourth Proportional to 774,153.20, 1,161,610.23 and 347,990.13

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Solution

The fourth proportional to 774,153.20, 1,161,610.23 and 347,990.13 is: 522,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,153.20 : 1,161,610.23 = 347,990.13 : x
  2. Step 2: Convert to fraction form
    774,153.20/1,161,610.23 = 347,990.13/x
  3. Step 3: Cross multiply
    774,153.20x = 1,161,610.23 × 347,990.13
  4. Step 4: Simplify right side
    774,153.20x = 404,228,894,947.03
  5. Step 5: Solve for x
    x = 404,228,894,947.03/774,153.20
  6. Step 6: Final answer
    x = 522,156.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.